package com.carlinfo.servlet;

import com.alibaba.fastjson.JSON;
import com.carlinfo.servlet.domain.City;
import com.carlinfo.servlet.util.DataSourceUtil;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.BeanListHandler;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.sql.SQLException;
import java.util.List;

@WebServlet("/myCity")
public class CityServlet extends HttpServlet
{
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException
    {
        resp.setContentType("application/json;charset=utf-8");
        String pid = req.getParameter("pid");
        QueryRunner queryRunner = new QueryRunner(DataSourceUtil.getInstance());
        String sql ="select * from city where pid = ?";
        try
        {
            List<City> city = queryRunner.query(sql, new BeanListHandler<City>(City.class), pid);
            String jsonString = JSON.toJSONString(city);
            System.out.println(jsonString);
            resp.getWriter().print(jsonString);
        } catch (SQLException e)
        {
            e.printStackTrace();
        }

    }
}
